On January 9,
2013, IsoRay Medical, Inc. ("Medical"), a wholly owned subsidiary of IsoRay, Inc. (the "Registrant"),
entered into a supply contract (the "Agreement") with The Open Joint Stock Company
‹‹Isotope››, a Russian company ("JSC Isotope"). With the Agreement, Medical will
purchase Cesium-131 from JSC Isotope and JSC Isotope will provide Cesium-131 from the Institute of Nuclear Materials within
the quality standards and within the time periods specified, through June 30, 2014.

ITEM 9.01 Exhibits

(c)

Exhibits

10.72

Contract, dated January 9, 2013, by and between IsoRay Medical, Inc. and The Open Joint Stock Company ‹‹Isotope›› (confidential treatment requested for redacted portions)

SIGNATURES

In accordance with
the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf
by the undersigned, hereunto duly authorized.

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